Lock and latch



N. B. HURD LOCK AND LATCH June 26, 1923..

Filed Oct. 4, 1922 IN VENTOR ATTORNEIYJ.

Patented June 26, 1923.

- UNITED STATES 1,460,133 PATENT. OFFICE.

NORMAN B. HURD, OF NEW BRITAIN, CONNECTICUT, ASSIGNOR TO AMERICAN HARD- W RE CORIORAT'ION, or -NECTICUT:

NEW BRITAIN, CONNECTICUT, A CORPORATION OF CON- LOCK 'AND TCH.

Application filed October 4, 1922. .Serial No. 592,235.

To all whom it may concern:

Be it knOWn that I, NORMAN B. Hum), av citizen of the United States of America, residing at New Britain, Connecticut, have invented a new and useful Improvement in. Locks and Latches, of which the following is a specification.

My invention relates to improvements in looks and latches, the object being to greatly simplify .and cheapen the construction without sacrifice of strength or durability.

head ma In the accompanying drawings, Fig. 1 is a side view of the latch complete. Fig. 2 is a section on the line 22 of Fig. 1. j v

ig. 3 is a view of the Opposite side of the latch from that shown in Fig. 1.

Fi 4 is a perspective view of a detail, relatively enlarged.

1 is the side plate which constitutes the frame of the device. The edge of this plate 1 is bent at an angle. to form the face plate against an abutment 9 which may be struck up from the plate 1 so asto stand at right angles thereto, as shown in Fig. 2. One A side of the latch bolt head 3 is guided on the adjacent wall of the opening in the face plate 2 through which the latch bolt head passes. The inner portion of the latch bolt be provided with an offset 3*, which ri es along. the inside of the plate 1. In this manner the outer end of the latch bolt is guided and held in place. The inner end of the latch bolt, that is tosay, the tail 5, is provided with a unique form of guide in the form of a detachable plate 10, which has a passage thereinth'rough which the tail of the latch bolt passes and in which it may reciprocate. This plate 10 is provided with angular ears 1010", as shown in Figs. 2 and 4.. Adjacent to the ears are notches 10"--10". The" plate 1 is provided with an 10 to e passed therethrough from one side roll-bac to the other, and this opening has a lateral extension which is slightly narrower in width. The edges of the plate adjacent this narrower extension are adapted to the notches 10 -10 so that when the plate 1 is moved into the position indicated in. the drawings these edges will extend into said notches 10, whereby said plate 10 will be interlocked with the plate 1, as clearly seen in 'Figs. 2 and 3. The plate 10 may be supported against any tendency to tilt by the abutment 9. The spring 4 holds the plate snugly in place, while at the same time opcrating to project the latch bolt 3. By this very simple method 'of securing and guiding the tail of the latch bolt the necessitylior a cap or cover plate is entirely avoided, thereby simplifying work' of assem 1y, likewise reducing the amount of metal, all of which results in the effecting of substantial economies.

If desired, the latch may be provided with a second latch-retracting device in the form of a handle 12, which is suitably'mounted on the late 1 and may be.provided with a l; hub 14, the end of which engages the shoulder 3* of the latch bolt head, so that, by moving the handle 12, the latch bolt may be retracted. Obviously, any suitable form of locking means to block the'operation' of either or both of the latch-retracting devices or the latch itself may be added, but I have not shown such devices herein, as they are too well known to require illustration.

Preferably, the plate 1 is provided with a longitudinal slot 15, the edges of which may be turned back, as shown, to form parallel greatly the construction and guideways for the end 5 of thelatch' bolt tail. To facilitate assembling the various parts the inner side of the latch bolt head 3 may be beveled off, as indicated at 3 (Fig; 2). Thus, in utting the parts together the spring 4 may rst be slid over the latch bolt tail. The latch bolt tail ma then be passed through the opening in the ace plate 2 from the outside. The plate 10 may then he slid onto the latch bolt tail, and the several parts may then be moved into a position which will permit the ears 10 to be locked to the plate 1. f

It will be seenthat the plate 10 comprises what may be called a detachable latch tail ide. The ease and convenience with which this guide may be interlocked with the single means for detachably interlocking said guide with said side plate and holding the same at an angle thereto, and a separate latchretracting means. I

2. In a latch, a side plate, a face plate at the edge thereof having a passage, a latch comprising a head and a tail, the head passing through said face plate passage, a separate guide for the latch bolt tail comprising a plate, with means for detachably interlocking said guide with said side plate and holding the same at an angle thereto, and

a separate latch retracting means.

3. In a latch, a side plate, aface plate at the edge thereof having a passage, a latch comprising a head and a tail, the head passing through and guided in said face plate passage, and a guide for the latch bolt tail comprising a plate, with means for detachably interlocking the 'same with said side plate at an angle thereto, said means including an angular ear formed integrally with said plate, said side plate having an opening to permit said ear to be passed therethrough for engagement with the opposite surface of said side plate.

4. In a latch, a side plate, a face plate at the edge thereof having a passage, a latch comprising a head and a tail, the head passing through and guided in saidv-face plate passage, and a guide for the latch bolt tail comprising a plate, with means for detachably interlocking the same with said ,side plate at an angle thereto, said means including an angular ear formed integrally with said plate, said side plate having an opening to permit said ear to be passed therethrough for engagement with the opposite surface of said side plate, said guide plate being notched,- a portion of said side plate extending into said notch to assist in interlocking when said parts are assembled.

5. In a latch, a side plate, a face plate at one edge thereof having a passage for a latch bolt, an integral lug abutment on said side plate to the rear of said passage in the face plate, a latch bolt comprising a head and a tail, the head being positioned in said passage, said lug acting as a back stop therefor, a detachable latch bolt guide for the tail of said bolt, with means for detachably interlocking the sameto said side plate, and a separate latch-retracting means.

6. In a latch, a side plate, a face plate at one edge thereof having 'a passage for a latch bolt, a lug abutment on said side plate to the rear of said passage in the face plate, a latch bolt comprising a head and a tail, the head being positioned in said passage, said lug acting as a back stop therefor, and a detachable latch bolt guide for the tail of said bolt, with means for detachably interlocking the same to said side plate adjacent said abutment, and a spring for said latch bolt; said spring operating in one direction to project the bolt and in the opposite direction to hold the guide in its interlockedengagement with said side plate.

NORMAN B. HURD. 

